Mar., 1911 NESTING OF THE FORSTER AND BLACK TERNS IN COLORADO 
6.3 
Our study of the terns , was simply one of many illustrations of the wonderful 
changes of bird distribution brought about by the magic touch of water on what 
was once a dry, arid prairie. 
Fig-. 29. CLOSER VIEW OF BLACK TERM'S NEST SHOWING DETAILS OF CONSTRUCTION 
SUMMER BIRDS OF WILLOW CREEK \L\LLEY, MALHEUR COUNTY, 
OREGON 
By MORTON E. PECK 
D uring the past .summer (1910), the writer spent several weeks, that is, from 
June 22 to July 2.5, at Brogan, Malheur County, Oregon. Brogan is as yet 
a town-site rather than a towm, but it promises a considerable growth, as the 
result of the execution of an extensive irrigating project. It lies in the valley of 
Willow Creek, twenty-five miles northwest of the town of Vale, about fourteen 
miles from the Idaho line, one hundred and fifty from the southern boundary of 
the state, and a little less from the northern. 
The study of birds not being the primary object of the visit, only a small 
amount of territory was covered, though this was looked over with considerable 
care. Some five miles of the valley of Willow Creek were gone over repeatedly, a 
trip of about eighteen miles was made up the canyon of the creek, two or three 
smaller tributary canyons were explored for several miles and visited on two or 
more occasions, and the sage-brush-covered hills were gone over for four or five 
miles in various directions from Brogan. 
Willow Creek Valley proper begins about two miles aboA-e Brogan, where the 
